Coding and Decoding Questions

Q:

If "A" means "minus", "B" means "divided by", "C" means "plus" and "D" means "multiplied by", then

 

54 B 6 A 4 C 2 D 5 = ?

 

A) 15 B) 21
C) 16 D) 18
 
Answer & Explanation Answer: A) 15

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1 9019
Q:

If

4x9=25
7x4=53

then

9x4=?

A) 81 B) 83
C) 85 D) 88
 
Answer & Explanation Answer: C) 85

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4 8919
Q:

In a certain code language, 'it is dark outside' is written as 'ha no ti ju','is it still raining' is written as 'pa ha da no', 'go and play outside' is written as 'su ju ye la'. How is 'dark' written in that code language?

A) ha B) ti
C) su D) ye
 
Answer & Explanation Answer: B) ti

Explanation:
The code for outside is -ju. The code for it/is -ha/no. Hence, the code for dark is 'ti'
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Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

20 ÷ 14 + 5 x 20 - 2 = 56

A) + and x B) ÷ and -
C) + and ÷ D) - and +
 
Answer & Explanation Answer: B) ÷ and -

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Q:

If SON = 678 and TEN = 948, then STONE =

 

A) 69797 B) 69784
C) 68784 D) 69764
 
Answer & Explanation Answer: B) 69784

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7 8824
Q:

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

411 B 3 A 29 C 53 D 20 = ?

A) 1169 B) 1156
C) 1168 D) 1163
 
Answer & Explanation Answer: C) 1168

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5 8807
Q:

 If 3@7 = 20, 8@1 = 18 and 6@5 = 22, then find the value of 4@4 = ?

 

A) 15 B) 16
C) 20 D) 29
 
Answer & Explanation Answer: B) 16

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Q:

If 7Ω6 = 84, 8Ω7 = 112 and 8Ω4 = 64, then find the value of 3Ω4 = ?

 

A) 24   B) 12  
C) 4   D) 20
 
Answer & Explanation Answer: A) 24  

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2 8725